danny0405 commented on code in PR #11470:
URL: https://github.com/apache/hudi/pull/11470#discussion_r1645249120
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hudi-client/hudi-spark-client/src/main/java/org/apache/hudi/data/HoodieJavaRDD.java:
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@@ -120,6 +123,26 @@ public int getNumPartitions() {
return rddData.getNumPartitions();
}
+ @Override
+ public int deduceNumPartitions() {
+ // for source rdd, the partitioner is None
+ final Optional<Partitioner> partitioner = rddData.partitioner();
+ if (partitioner.isPresent()) {
+ int partPartitions = partitioner.get().numPartitions();
+ if (partPartitions > 0) {
+ return partPartitions;
+ }
+ }
+
+ if (SQLConf.get().contains(SQLConf.SHUFFLE_PARTITIONS().key())) {
+ return SQLConf.get().defaultNumShufflePartitions();
+ } else if (rddData.context().conf().contains("spark.default.parallelism"))
{
Review Comment:
The Java context may never has this config option right?
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